Product description Preferred Material: The Multifunction Timing Plank Trainer provides more stable support and a safe workout, it also provides comfort to your arms and allows you to "lean" more when doing plank exercises. Safety and peace of mind: the multifunctional timing plank support trainer is specially designed for trigonometry, timing, and countdown. You can plan the exercise time reasonably, monitor it in real time, and control the exercise time yourself. Comfort Grip: Plank Trainer with Timer Angular Mechanics Triangle with TPE Soft Grip, Comfortable Foam Grip, Easy to Grip, Comfortable Training, Patented Design and Contoured Cushioning Pad Provides You with Joint Stress Relief Personalized support. Adjustable Angle: The timing board trainer contracts the abdominal muscles through a full range of motion and prevents the back from arching. Full-body movement makes workouts more effective. GREAT GIFT: Giving the multifunctional plank trainer as a gift to your friends or share it with those who want to exercise will greatly promote the health of those around you. Note:1. Please allow a little error due to manual measurement. Please make sure you don't mind before bidding.2. The color may vary due to different monitors, please understand. Note:Hello, please pay attention to your delivery address when purchasing products. If your receiving information (such as: name, street, house number, doorbell/email without name, etc. is incorrect, the order will not be delivered correctly.)